Singapore Math: Primary Math Textbook 4B Common Core Edition Dimensions Math containing topics such as inclusion-exclusion

containing topics such as inclusion-exclusion

puzzles with polyominoes

This Grade 2 level workbook covers mental calculation

ISBN: 978-1-934124-34-5

combinations

Singapore Math: Primary Math Textbook 4B Common Core Edition Dimensions Math containing topics such as inclusion-exclusionSingapore Math Primary Mathematics: Common Core Edition books have been updated where necessary to align with the CCSS. However, this does not mean that the content has been reduced in its level of difficulty. If CCSS called for content to be introduced at a later level, Singapore Math didn't move content from the earlier level, but rather simply revisits it more in depth at the CCSS level. Singapore Math's Primary Math, Common Core Edition series